Senior Backend Developer

About GFT

GFT Technologies is an AI-centric global digital transformation company. We design advanced data and AI transformation solutions modernize technology architectures and develop next-generation core systems for industry leaders in Banking Insurance Manufacturing and Robotics. Partnering closely with our clients we push boundaries to unlock their full potential. With deep industry expertise cutting-edge technology and a strong partner ecosystem GFT delivers responsible AI-centric solutions that combine engineering excellence high-performance delivery and cost efficiency. Our team of 12000 technology experts operate in 20 countries worldwide offering career opportunities at the forefront of software innovation.

Role Summary

We are looking for experienced and talented Java Backend Engineers to join our global engineering teams and developing and operating our flagship product (Digital Bank platform).
In our modern development environment AI assistants are integral to the Software Development Lifecycle. Engineers leverage AI tools for code generation test creation and refactoring while focusing their expertise on architecture code verification quality assurance and strategic technical decisions.
This is a hybrid role where youll function as part Business Analyst part QA Engineer and Full-time Developer. Youll need to understand business processes deeply communicate technical designs confidently with Product Owners and BA and ensure quality throughout the development cycle.

Key Activities

• Design system architecture and guide AI-assisted implementation of Springboot/Kotlin applications
• Review verify and refine AI-generated code to ensure quality security and maintainability
• Collaborate with Product Owners and BA to understand requirements and business processes.
• Collaborate with AI tools to translate user stories into working solutions efficiently
• Communicate technical designs trade-offs and solutions confidently to non-technical stakeholders
• Challenge and clarify requirements with curiosity dig deep into the why behind business needs
• Validate AI-generated test suites and ensure comprehensive coverage using TDD and DDD principles
• Own quality assurance by designing test strategies and verifying implementation correctness
• Design and architect RESTful APIs and microservice patterns directing Al implementation
• Provide technical oversight and architectural decisions for AI-assisted development
• Conduct thorough code reviews of both human and AI-generated code
• Work with distributed teams across multiple time zones

Technical Qualifications:

• Minimum 5 years of relevant experience in software engineering.
• Java/Kotlin (Kotlin strongly preferred) SpringBoot JPA Kafka Rest APIs.
• Hands on experience with various Java Web technologies and frameworks Spring (Security MVC SpringBoot) JPA REST API Maven Junit test Mockito Kafka.
• Good practical knowledge of design of RDBMS and SQL
• Understanding of Agile methodologies

AI-Augmented Development Skills:

• Experience with AI-assisted development tools (GitHub Copilot Claude Code or similar)
• Ability to write effective prompts and context for AI code generation
• Strong code review and verification skills for AI-generated implementations
• Critical thinking to assess AI suggestions and identify potential issues
• Expertise in validating AI-generated tests for completeness and edge case coverage
• Understanding of AI limitations and when to override or refine AI outputs
• Ability to architect solutions that AI can effectively implement

Specific Qualifications

• Excellent communication and written skills. Be able to work in a team
• Strong analytical and problem-solving abilities to guide AI assistance
• Understanding of financial instruments
• Adaptability and willingness to learn new AI tools and workflows
• Judgment and discernment in accepting modifying or rejecting AI-generated code

Essential Skillset

• Automated unit and integration testing. (jUnit mockito etc.)
• Gradle build systems
• Data structures and algorithms - dictionary list set trees graphs
• Control-flow patterns and microservice architecture design
• Database fundamentals: joins indexes foreign keys primary keys query optimization
• Relational DB NoSQL graph DB and ACID properties
• System design and architectural patterns
• Protocols & standards (OpenAPI AVRO Protobuf)
• SOLID principles and event-driven architecture
• DevOps and infrastructure fundamentals
• Messaging queues Docker/Compose
• Kubernetes (pods ConfigMaps deployments services)
• Git workflows (GitHub) CI/CD pipelines code quality tools (Sonar)
• Security fundamentals and secure coding practices
• Ability to verify security vulnerabilities in AI-generated code

Nice to have

• Advanced AI tool proficiency (Claude Code etc.)
• Experience integrating AI tools into team workflows
• Cloud platforms (AWS)
• Log management tools (Splunk SumoLogic ELK)
• Infrastructure architecture (DNS load balancers CDNs)
• Security: SSL/MTLS PKI asymmetric/symmetric encryption OAuth JWT
• GraphQL Airflow TypeScript Python
• Contribution to open-source projects or AI tool customization
• Experience with prompt engineering and context optimization
  

What Makes You Successful in This Role:

• You view AI as a powerful co-pilot not a replacement for engineering judgment
• You excel at architectural thinking and can design systems for AI to implement
• You have a keen eye for code quality and can quickly spot issues in generated code
• You understand the why behind the code not just the what
• Youre comfortable iterating with AI tools to achieve optimal solutions
• You can mentor others in effective AI-assisted development practices
• You maintain high standards for code quality regardless of its source
  

What we offer you

You will be working with some of the brightest people in business and technology on challenging and rewarding projects in a team of like-minded individuals. GFT prides itself on its international environment that promotes professional and cultural exchange and encourages further individual development with the benefits below:
Competitive salary
13th-month salary guarantee
Performance bonus
Professional English course for employees
Premium health insurance
Extensive annual leave

(Due to the high volume of applications we receive we are unable to respond to every candidate individually. If you have not received a response from GFT regarding your application within 10 workdays please consider that we have decided to proceed with other candidates. We truly appreciate your interest in GFT and thank you for your understanding.)